Dutch Greenland whalers built batteries for protection againt French privateers according to the Dutch newspaper Oprechte Haerlemsche courant dated 21 August 1677

An item dated ‘t Vlie, Netherlands 18 August reported the arrival of a Greenland sloop with a captured Greenland whaler reporting the presence of 40-50 Greenland whalers in the Zuyt-baey [South Bay]. To protect themself against French privateers were 2 batteries built.